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d3d12: Don't suballocate TBO buffers

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Reviewed-by: Sil Vilerino <sivileri@microsoft.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14933>
This commit is contained in:
Jesse Natalie
2022-02-08 07:26:10 -08:00
committed by Marge Bot
parent 58a9a63d9e
commit fb08bc8d76
1 changed files with 8 additions and 0 deletions
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8
src/gallium/drivers/d3d12/d3d12_resource.cpp
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@@ -147,6 +147,14 @@ init_buffer(struct d3d12_screen *screen,
default: default:
unreachable("Invalid pipe usage"); unreachable("Invalid pipe usage");
} }
/* We can't suballocate buffers that might be bound as a sampler view, *only*
* because in the case of R32G32B32 formats (12 bytes per pixel), it's not possible
* to guarantee the offset will be divisible.
*/
if (templ->bind & PIPE_BIND_SAMPLER_VIEW)
bufmgr = screen->cache_bufmgr;
buf_desc.alignment = D3D12_DEFAULT_RESOURCE_PLACEMENT_ALIGNMENT; buf_desc.alignment = D3D12_DEFAULT_RESOURCE_PLACEMENT_ALIGNMENT;
res->dxgi_format = DXGI_FORMAT_UNKNOWN; res->dxgi_format = DXGI_FORMAT_UNKNOWN;
buf = bufmgr->create_buffer(bufmgr, templ->width0, &buf_desc); buf = bufmgr->create_buffer(bufmgr, templ->width0, &buf_desc);